./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:28:43,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:28:43,583 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:28:43,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:28:43,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:28:43,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:28:43,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:28:43,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:28:43,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:28:43,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:28:43,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:28:43,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:28:43,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:28:43,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:28:43,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:28:43,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:28:43,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:28:43,610 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:28:43,610 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:28:43,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:28:43,610 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:28:43,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:28:43,610 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:28:43,610 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:28:43,610 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:28:43,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:28:43,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:28:43,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:28:43,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:28:43,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:28:43,611 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:28:43,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:28:43,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 [2024-12-06 01:28:43,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:28:43,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:28:43,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:28:43,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:28:43,843 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:28:43,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2024-12-06 01:28:46,496 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data/ffcd10384/29bff4f2d85f4f4d8358ceaf7a5a0819/FLAG9c3af0200 [2024-12-06 01:28:46,818 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:28:46,819 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2024-12-06 01:28:46,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data/ffcd10384/29bff4f2d85f4f4d8358ceaf7a5a0819/FLAG9c3af0200 [2024-12-06 01:28:47,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data/ffcd10384/29bff4f2d85f4f4d8358ceaf7a5a0819 [2024-12-06 01:28:47,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:28:47,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:28:47,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:28:47,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:28:47,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:28:47,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:47,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253eb604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47, skipping insertion in model container [2024-12-06 01:28:47,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:47,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:28:47,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:28:47,789 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:28:47,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:28:47,965 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:28:47,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47 WrapperNode [2024-12-06 01:28:47,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:28:47,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:28:47,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:28:47,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:28:47,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:47,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,011 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-12-06 01:28:48,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:28:48,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:28:48,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:28:48,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:28:48,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,025 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:28:48,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:28:48,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:28:48,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:28:48,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:47" (1/1) ... [2024-12-06 01:28:48,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:28:48,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:28:48,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:28:48,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:28:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:28:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:28:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:28:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:28:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:28:48,194 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:28:48,195 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:28:48,369 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 01:28:48,369 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:28:48,523 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:28:48,523 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:28:48,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:48 BoogieIcfgContainer [2024-12-06 01:28:48,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:28:48,524 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:28:48,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:28:48,531 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:28:48,532 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:48" (1/1) ... [2024-12-06 01:28:48,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:28:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:28:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 01:28:48,578 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 01:28:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:28:48,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:28:48,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:28:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:28:48,790 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:28:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:28:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:28:48,909 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:28:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:28:48,946 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:28:48,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:28:48 ImpRootNode [2024-12-06 01:28:48,970 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:28:48,970 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:28:48,970 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:28:48,970 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:28:48,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:48" (3/4) ... [2024-12-06 01:28:48,973 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:28:48,974 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:28:48,975 INFO L158 Benchmark]: Toolchain (without parser) took 1886.92ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 91.9MB in the end (delta: 22.3MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-12-06 01:28:48,975 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:28:48,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 876.90ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 54.7MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 01:28:48,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.14ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.3MB in the end (delta: -58.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-12-06 01:28:48,976 INFO L158 Benchmark]: Boogie Preprocessor took 20.58ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 112.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:28:48,977 INFO L158 Benchmark]: RCFGBuilder took 490.47ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 71.0MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:28:48,977 INFO L158 Benchmark]: CodeCheck took 445.32ms. Allocated memory is still 142.6MB. Free memory was 71.0MB in the beginning and 91.9MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:28:48,977 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:28:48,979 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 876.90ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 54.7MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.14ms. Allocated memory is still 142.6MB. Free memory was 54.7MB in the beginning and 113.3MB in the end (delta: -58.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.58ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 112.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 490.47ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 71.0MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 445.32ms. Allocated memory is still 142.6MB. Free memory was 71.0MB in the beginning and 91.9MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:28:48,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:28:50,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:28:51,000 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:28:51,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:28:51,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:28:51,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:28:51,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:28:51,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:28:51,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:28:51,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:28:51,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:28:51,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:28:51,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:28:51,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:28:51,029 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:28:51,029 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:28:51,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:28:51,030 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:28:51,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:28:51,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:28:51,030 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:28:51,030 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:28:51,030 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:28:51,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:28:51,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:28:51,031 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:28:51,031 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:28:51,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:28:51,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:28:51,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:28:51,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:28:51,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:28:51,031 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:28:51,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:28:51,032 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:28:51,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 [2024-12-06 01:28:51,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:28:51,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:28:51,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:28:51,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:28:51,310 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:28:51,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2024-12-06 01:28:54,043 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data/cb1558657/b6c5e1838ea74e02975cfef477889c83/FLAG91727ed92 [2024-12-06 01:28:54,319 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:28:54,319 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2024-12-06 01:28:54,341 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data/cb1558657/b6c5e1838ea74e02975cfef477889c83/FLAG91727ed92 [2024-12-06 01:28:54,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/data/cb1558657/b6c5e1838ea74e02975cfef477889c83 [2024-12-06 01:28:54,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:28:54,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:28:54,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:28:54,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:28:54,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:28:54,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:28:54" (1/1) ... [2024-12-06 01:28:54,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289b2674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:54, skipping insertion in model container [2024-12-06 01:28:54,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:28:54" (1/1) ... [2024-12-06 01:28:54,405 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:28:55,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:28:55,087 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:28:55,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:28:55,270 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:28:55,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55 WrapperNode [2024-12-06 01:28:55,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:28:55,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:28:55,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:28:55,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:28:55,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,311 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-12-06 01:28:55,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:28:55,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:28:55,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:28:55,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:28:55,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,328 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:28:55,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:28:55,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:28:55,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:28:55,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:28:55,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:28:55,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:28:55,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:28:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:28:55,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:28:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:28:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:28:55,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:28:55,520 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:28:55,522 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:28:55,637 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 01:28:55,637 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:28:55,702 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:28:55,702 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:28:55,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:55 BoogieIcfgContainer [2024-12-06 01:28:55,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:28:55,704 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:28:55,704 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:28:55,714 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:28:55,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:55" (1/1) ... [2024-12-06 01:28:55,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:28:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:28:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 01:28:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 01:28:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:28:55,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:28:55,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:28:55,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:28:55,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:28:55,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:28:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:28:55,907 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:28:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:28:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:28:56,006 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:28:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:28:56,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:28:56,039 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:28:56,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:28:56 ImpRootNode [2024-12-06 01:28:56,064 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:28:56,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:28:56,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:28:56,065 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:28:56,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:55" (3/4) ... [2024-12-06 01:28:56,066 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:28:56,109 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 01:28:56,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:28:56,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:28:56,157 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:28:56,158 INFO L158 Benchmark]: Toolchain (without parser) took 1797.58ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 50.5MB in the end (delta: 15.7MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-06 01:28:56,158 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:28:56,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.82ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.0MB in the end (delta: 5.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-06 01:28:56,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.60ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 58.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:28:56,159 INFO L158 Benchmark]: Boogie Preprocessor took 23.51ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 56.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:28:56,159 INFO L158 Benchmark]: RCFGBuilder took 366.52ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 38.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:28:56,160 INFO L158 Benchmark]: CodeCheck took 360.30ms. Allocated memory is still 92.3MB. Free memory was 38.5MB in the beginning and 55.6MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:28:56,160 INFO L158 Benchmark]: Witness Printer took 92.59ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 50.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:28:56,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.82ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 61.0MB in the end (delta: 5.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.60ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 58.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.51ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 56.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.52ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 38.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 360.30ms. Allocated memory is still 92.3MB. Free memory was 38.5MB in the beginning and 55.6MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 92.59ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 50.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:28:56,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42f21850-6606-417c-a613-06715e4df66d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)